Comments (3)
zhassan-aws
commented on September 28, 2024
Removing the line that modifies the slice from inside the loop results in a different crash:
fn zero_slice(a: &mut [u8]) {
let mut i: usize = 0;
let len = a.len();
while i < len {
i = i + 1;
}
}$ charon
Compiling array_zero v0.1.0 (/home/ubuntu/examples/aeneas/array_zero)
[ INFO charon_driver::export:106] [gexport]: Generated the file: /home/ubuntu/examples/aeneas/array_zero/array_zero.llbc
Finished release [optimized] target(s) in 0.17s
$ aeneas -backend lean array_zero.llbc
[Info ] Imported: array_zero.llbc
Uncaught exception:
(Failure Unexpected)
Raised at Aeneas__InterpreterLoopsFixedPoint.compute_loop_entry_fixed_point.(fun) in file "InterpreterLoopsFixedPoint.ml", line 612, characters 14-42
Called from Stdlib__Map.Make.iter in file "map.ml", line 297, characters 20-25
Called from Aeneas__InterpreterLoopsFixedPoint.compute_loop_entry_fixed_point in file "InterpreterLoopsFixedPoint.ml", line 601, characters 6-1023
Called from Aeneas__InterpreterLoops.eval_loop_symbolic in file "InterpreterLoops.ml", line 76, characters 4-68
Called from Aeneas__InterpreterLoopsFixedPoint.prepare_ashared_loans in file "InterpreterLoopsFixedPoint.ml", line 306, characters 8-14
Called from Aeneas__InterpreterExpansion.greedy_expand_symbolics_with_borrows.expand in file "InterpreterExpansion.ml", line 646, characters 6-12
Called from Aeneas__InterpreterPaths.end_loans_at_place in file "InterpreterPaths.ml", line 558, characters 4-10
Called from Aeneas__InterpreterExpansion.greedy_expand_symbolics_with_borrows.expand in file "InterpreterExpansion.ml", line 646, characters 6-12
Called from Aeneas__InterpreterExpansion.greedy_expand_symbolics_with_borrows.expand in file "InterpreterExpansion.ml", line 646, characters 6-12
Called from Aeneas__InterpreterExpansion.greedy_expand_symbolics_with_borrows.expand in file "InterpreterExpansion.ml", line 646, characters 6-12
Called from Aeneas__InterpreterExpansion.greedy_expand_symbolics_with_borrows.expand in file "InterpreterExpansion.ml", line 646, characters 6-12
Called from Aeneas__InterpreterStatements.eval_function_call_symbolic_from_inst_sig.cf_call in file "InterpreterStatements.ml", line 1403, characters 15-21
Called from Aeneas__InterpreterPaths.end_loans_at_place in file "InterpreterPaths.ml", line 558, characters 4-10
Called from Aeneas__InterpreterStatements.eval_transparent_function_call_symbolic in file "InterpreterStatements.ml", line 1307, characters 2-161
Called from Aeneas__InterpreterExpansion.greedy_expand_symbolics_with_borrows.expand in file "InterpreterExpansion.ml", line 646, characters 6-12
Called from Aeneas__InterpreterExpansion.greedy_expand_symbolics_with_borrows.expand in file "InterpreterExpansion.ml", line 646, characters 6-12
Called from Aeneas__InterpreterStatements.eval_statement.cf_eval_st.cf_assign in file "InterpreterStatements.ml", line 955, characters 29-70
Called from Aeneas__InterpreterPaths.end_loans_at_place in file "InterpreterPaths.ml", line 558, characters 4-10
Called from Aeneas__InterpreterExpansion.greedy_expand_symbolics_with_borrows.expand in file "InterpreterExpansion.ml", line 646, characters 6-12
Called from Aeneas__InterpreterExpansion.greedy_expand_symbolics_with_borrows.expand in file "InterpreterExpansion.ml", line 646, characters 6-12
Called from Aeneas__InterpreterPaths.end_loans_at_place in file "InterpreterPaths.ml", line 558, characters 4-10
Called from Aeneas__InterpreterExpansion.greedy_expand_symbolics_with_borrows.expand in file "InterpreterExpansion.ml", line 646, characters 6-12
Called from Aeneas__InterpreterExpansion.greedy_expand_symbolics_with_borrows.expand in file "InterpreterExpansion.ml", line 646, characters 6-12
Called from Aeneas__InterpreterStatements.eval_statement.cf_eval_st.cf_assign in file "InterpreterStatements.ml", line 955, characters 29-70
Called from Aeneas__InterpreterExpansion.greedy_expand_symbolics_with_borrows.expand in file "InterpreterExpansion.ml", line 646, characters 6-12
Called from Aeneas__InterpreterExpansion.greedy_expand_symbolics_with_borrows.expand in file "InterpreterExpansion.ml", line 646, characters 6-12
Called from Aeneas__InterpreterExpansion.expand_symbolic_value_borrow in file "InterpreterExpansion.ml", line 419, characters 17-23
Called from Aeneas__Interpreter.evaluate_function_symbolic in file "Interpreter.ml", line 589, characters 4-71
Called from Aeneas__Translate.translate_function_to_symbolics in file "Translate.ml", line 35, characters 25-77
Called from Aeneas__Translate.translate_function_to_pure in file "Translate.ml", line 55, characters 23-69
Called from Stdlib__List.map in file "list.ml", line 92, characters 20-23
Called from Aeneas__Translate.translate_crate_to_pure in file "Translate.ml", line 298, characters 4-127
Called from Aeneas__Translate.translate_crate in file "Translate.ml", line 992, characters 4-33
Called from Dune__exe__Main in file "Main.ml", line 279, characters 6-58
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sonmarcho
commented on September 28, 2024
Thanks for the bug report, I will look into it as soon as possible.
from aeneas.
sonmarcho
commented on September 28, 2024
Fixed by #85
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